Persuasive business presentations a practical handbook to help you sell your ideas to groups through the spoken word - more powerfully and profitably
| المؤلف الرئيسي: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
London
Mercury Books
c1990.
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| الموضوعات: |